At least 300 million people are using QQ _____by Ma Huateng to chat on line.
#50488
A
create
B
creates
C
creating
D
created
推荐题目
Danny did all kinds of things to make the baby and he succeeded.
#48454
A
to stop crying
B
stop crying
C
to stop to cry
D
stop to cry
After you finish the exercises, you’d better have your answers ___________.
#48921
A
checking
B
checked
C
to check
D
check